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authorEric Andersen <andersen@codepoet.org>2004-08-13 23:39:45 +0000
committerEric Andersen <andersen@codepoet.org>2004-08-13 23:39:45 +0000
commit64c5a652fb76e999eea27aed777d710d747ed949 (patch)
tree99f55f2b3ed8fd1b6d0fda2523d5a6ee7063b05a /libc/sysdeps/linux
parent9f47eaf3223c17a99cc88aea3287697e2635681f (diff)
Fixup PAGE_SIZE problems
-Erik
Diffstat (limited to 'libc/sysdeps/linux')
-rw-r--r--libc/sysdeps/linux/alpha/bits/uClibc_page.h28
-rw-r--r--libc/sysdeps/linux/alpha/sys/user.h2
-rw-r--r--libc/sysdeps/linux/common/bits/uClibc_page.h28
-rw-r--r--libc/sysdeps/linux/i386/sys/user.h4
-rw-r--r--libc/sysdeps/linux/mips/bits/uClibc_page.h35
-rw-r--r--libc/sysdeps/linux/mips/sys/user.h4
6 files changed, 94 insertions, 7 deletions
diff --git a/libc/sysdeps/linux/alpha/bits/uClibc_page.h b/libc/sysdeps/linux/alpha/bits/uClibc_page.h
new file mode 100644
index 000000000..8219a19da
--- /dev/null
+++ b/libc/sysdeps/linux/alpha/bits/uClibc_page.h
@@ -0,0 +1,28 @@
+/* Copyright (C) 2004 Erik Andersen
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/* Supply an architecture specific value for PAGE_SIZE and friends. */
+
+#ifndef _UCLIBC_PAGE_H
+#define _UCLIBC_PAGE_H
+
+/* PAGE_SHIFT determines the page size -- in this case 8192 */
+#define PAGE_SHIFT 13
+#define PAGE_SIZE (1UL << PAGE_SHIFT)
+#define PAGE_MASK (~(PAGE_SIZE-1))
+
+#endif /* _UCLIBC_PAGE_H */
diff --git a/libc/sysdeps/linux/alpha/sys/user.h b/libc/sysdeps/linux/alpha/sys/user.h
index 4cd29d2ff..f9beea082 100644
--- a/libc/sysdeps/linux/alpha/sys/user.h
+++ b/libc/sysdeps/linux/alpha/sys/user.h
@@ -23,7 +23,7 @@
only. Don't read too much into it. Don't use it for anything other
than gdb/strace unless you know what you are doing. */
-#include <asm/page.h>
+#include <bits/uClibc_page.h>
#include <asm/reg.h>
struct user
diff --git a/libc/sysdeps/linux/common/bits/uClibc_page.h b/libc/sysdeps/linux/common/bits/uClibc_page.h
new file mode 100644
index 000000000..e91be2d13
--- /dev/null
+++ b/libc/sysdeps/linux/common/bits/uClibc_page.h
@@ -0,0 +1,28 @@
+/* Copyright (C) 2004 Erik Andersen
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/* Supply an architecture specific value for PAGE_SIZE and friends. */
+
+#ifndef _UCLIBC_PAGE_H
+#define _UCLIBC_PAGE_H
+
+/* PAGE_SHIFT determines the page size -- in this case 4096 */
+#define PAGE_SHIFT 12
+#define PAGE_SIZE (1UL << PAGE_SHIFT)
+#define PAGE_MASK (~(PAGE_SIZE-1))
+
+#endif /* _UCLIBC_PAGE_H */
diff --git a/libc/sysdeps/linux/i386/sys/user.h b/libc/sysdeps/linux/i386/sys/user.h
index aca46e7d3..c5cfff256 100644
--- a/libc/sysdeps/linux/i386/sys/user.h
+++ b/libc/sysdeps/linux/i386/sys/user.h
@@ -92,9 +92,7 @@ struct user
int u_debugreg [8];
};
-#define PAGE_SHIFT 12
-#define PAGE_SIZE (1UL << PAGE_SHIFT)
-#define PAGE_MASK (~(PAGE_SIZE-1))
+#include <bits/uClibc_page.h>
#define NBPG PAGE_SIZE
#define UPAGES 1
#define HOST_TEXT_START_ADDR (u.start_code)
diff --git a/libc/sysdeps/linux/mips/bits/uClibc_page.h b/libc/sysdeps/linux/mips/bits/uClibc_page.h
new file mode 100644
index 000000000..915918c36
--- /dev/null
+++ b/libc/sysdeps/linux/mips/bits/uClibc_page.h
@@ -0,0 +1,35 @@
+/* Copyright (C) 2004 Erik Andersen
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/* Supply an architecture specific value for PAGE_SIZE and friends. */
+
+#ifndef _UCLIBC_PAGE_H
+#define _UCLIBC_PAGE_H
+
+/* PAGE_SIZE of mips is sortof wierd, and depends on how the kernel
+ * happens to have been configured. It might use 4KB, 16K or 64K
+ * pages. To avoid using the current kernel configuration settings,
+ * uClibc will simply use 4KB on mips and call it good. */
+#if 0
+#define PAGE_SHIFT 16
+#define PAGE_SHIFT 14
+#endif
+#define PAGE_SHIFT 12
+#define PAGE_SIZE (1UL << PAGE_SHIFT)
+#define PAGE_MASK (~(PAGE_SIZE-1))
+
+#endif /* _UCLIBC_PAGE_H */
diff --git a/libc/sysdeps/linux/mips/sys/user.h b/libc/sysdeps/linux/mips/sys/user.h
index 8b21ff278..8e6b1e1ef 100644
--- a/libc/sysdeps/linux/mips/sys/user.h
+++ b/libc/sysdeps/linux/mips/sys/user.h
@@ -205,9 +205,7 @@ struct user {
#endif
-#define PAGE_SHIFT 12
-#define PAGE_SIZE (1UL << PAGE_SHIFT)
-#define PAGE_MASK (~(PAGE_SIZE-1))
+#include <bits/uClibc_page.h>
#define NBPG PAGE_SIZE
#define UPAGES 1
#define HOST_TEXT_START_ADDR (u.start_code)